Created a list of PBN sites but still the main blog isn't ranking. Am I doing something wrong here?

I created some small blogs and put some good content in them. And then linked (one link from each blog) my main blog from those blogs.

If my site focuses on getting subscriptions are subscriptions only. Then should I build a mobile app with my mobile optimized site?

I am getting regular subscription through emails. The number were very good. So, after sending some newletters I started promoting some affiliate products in our niche. But since three weeks have passed but no sales. What should I do?

Is buying Referral traffic a good idea? For a non-profit organization.

Setting up a ever lasting website is my dream. I just got an idea about setting up a site, creating some good content in it and then put some affiliate products to get sales and generate revenue.

So, here is my query to other marketers here is that even possible in present day.

Does No-follow Links preserve the Link Juice of an page? I mean if I no-followed all the links in one page. Then will it preserve the link juice of the page from flowing out.

One of my site is penalized by Google for thin content. What should I do? I am facing a Manual Action Penalty now. Actually I am having hard time understanding the concept of 'thin' content here.

I know many marketers will suggest me go for paid email newsletter services but is MailChimp free service really that bad?

If you have to make money from scratch? Through online marketing or coding or whatever the what you will do?

How to be successful in Affiliate Marketing within 30 Days?